Legs and foot Flashcards
what does each compartment of the leg have
fasica
blood supply
nerve supply
what surface does all the muscles of the anterior leg pass over
anterior part of the ankle
what is the bloody supply to the anterior part of the leg
anterior tibial artery
what is the nerve supply to the anterior anterior compartment of the leg
deep perinoeal nerve
what 4 muscles make up the anterior compartment of the leg
tibialis anterior
extensor digitorium longus
extensor hallicus longus
peroneua tertius
what is the name of the muscle that originates at the surface of the tibial in the anterior leg
tibialis anterior
where does tibalis anterior insert
into the base of the 1st metacarpal bone
what is the name of the structure that is responsible for holding the tendons on the ankle joint
extensor retinaculum
what is the name of the muscle/tendon that attaches onto the dorsal surface of each toe
extensor digitorium longus
what is the innervation to extensor digitorium longus
deep perinoeal nerve
what is the name of the muscle that inserts into the distal phalanx of the great toe
extensor hallicus longus
what are the actions of the anterior muscles fo the leg
dorsi flexision
what anterior muscle of the leg may not be present in all individuals
fibularis tertius
where does the common perineal nerve begin
at the popliteal fossa
what nerve passes round the head of the femur and lies against the neck of the fibula
common perineal nerve
what clinical sigh will present due to damage to the common perenoeal nerve
foot drop
what are the names of the 2 muscle that make up the lateral leg
perinoeus longus
preinoeus brevis
where does perinoes longus insert
inserts behind the lateral malleolus and travel along the base of the foot and inserts into the 1st metatarsal
which muscle is located directly under perinous longus
peronoeus brevis
which is the longer muscle out of perinoeus longus and brevis
perinous longus
where does perinous brevis insert into
attaches to base of the 5th metatarsal bone
what are the 2 functions of perinous longus and brevis
plantar flexion
how the foot lands on uneven surfaces
what nerve supplies both perinous longus and brevis
superficial branch of the perinoeal nerve
what are the nerve roots fotr the perinoeal nerve
L4-S2
what causes an abnormla gait
damage to the common perinoeal nerve
have to lift knee higher so they dont hit the toes on the ground
how many parts can the posterior compartment of the leg be spilt into
2 parts
what are deep muslces that make up the posterior leg
tibialis posterior
flexor digitorium longus
flexor hallicus longus
what are the 3 superficial muscles that make up the posterior leg
gastrocnemius
soleus
plantaris
what is the most superficial of the posterior leg muscle
gastrocnemius
how many heads does the gastrocnemius muscle have
2 head
medial and lateral
where does the gastrocnemius muscle insert
superficial aspect of the calcanel tendon
what structures run between the 2 heads of the gastrocnemius muscle
the popliteal artery, vein, and nerve vessel
what is the function of the gastrocnemius muscle
flex knee and plantar flex the foot
what is the name of the muscle that has a tendon attached to the deep surface gastrocnemius
plantaris
what muscle from the posterior leg can be used as a graft
the plantaris muscle
where does the plantaris muscle insert
into the side of the achillies tendon and attaches to the calcaneus
what is the name of the muscle that underneath the gastrocnemius muscle
soleus
what is the name of the muscle that lies behind the neurovascular bundle
popliteus muscle
what are the 4 deep muslces in the posterior leg
popletisu
tibialus posterior
flexor digitorium longus
flexor hallicus longus
whats the order of the deep posterior muscles and the neurovascular bundle
tibialis posterior flexor digitorium longus artery vein posterior tibial nerve flexor hallicus longus
how many layer of muslces are there on the foot
4
what are the superficial muslces located on the plantar foot
flexor hallicus brevis
flexor digitroium brevis
felxor digiti minimi
what is nerve supply to the plantar foot
median plantar nerve
what are the 2 muslces located on the plantar foot
quadratus plantar
lumbricalis muscles
what are the 2 tendons on the plantar foot
flexor hallicus longus
flexor digitorium longus
what muslces make up the 3rd layer of muscles on the plantar foot
abductor hallicus
flexor digiti minimi
flexor hallicus brevis
what muslces make up the 4th layer of plantar muslces
deepest
intercossi
